Linked from

The 15 pages that link to General Conference on Weights and Measures, each with the reason it gives.

• International System of UnitsRelated: It governs major revisions to the system.

• MetrologyRelated: The CGPM adopts major changes to unit definitions and the international metrology framework.

• SI base unitRelated: It approves the definitions and revisions governing SI base units.

• International Bureau of Weights and MeasuresRelated: It approves major changes to units and measurement standards coordinated by the BIPM.

• MoleRelated: It approved the exact-constant definition of the mole.

• 2019 redefinition of SI base unitsRelated: It approved the revision and set its implementation date.

• HertzRelated: Its 1960 decision adopted hertz as the name for the SI frequency unit.

• International Committee for Weights and MeasuresRelated: The conference elects CIPM members and receives its reports.

• Metre ConventionBroader topic: It is the convention’s principal decision-making body.

• Metric prefixRelated: Its resolutions add, define, and revise SI prefixes.

• International Prototype of the KilogramRelated: It approved the prototype as the kilogram’s international definition in 1889.

• KilometreRelated: Its decisions govern the modern definitions and use of metric units.

• LitreRelated: Its decisions govern the modern status and use of the litre alongside SI units.

• History of the metric systemRelated: Its resolutions formalized major changes to metric definitions, including the 1960 SI and 2019 revision.

• TonneRelated: Its decisions shape the official status and presentation of units used alongside the SI.